Disposable toothbrush



FIG. 1 is an exploded perspective view of a disposable toothbrush showing my new design with the cover removed therefrom;

FIG. 2 is an assembled, side elevational view thereof, the opposing end being a mirror image;

FIG. 3 is an end elevational view thereof;

FIG. 4 is an elevational view of the opposing end thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

I claim the ornamental design for a disposable toothbrush, as shown and described. 